Home / 4,540.39-6,810.41-1,253.40

Finding the Fourth Proportional to 4,540.39, 6,810.41 and 1,253.40

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Solution

The fourth proportional to 4,540.39, 6,810.41 and 1,253.40 is: 1,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.39 : 6,810.41 = 1,253.40 : x
  2. Step 2: Convert to fraction form
    4,540.39/6,810.41 = 1,253.40/x
  3. Step 3: Cross multiply
    4,540.39x = 6,810.41 × 1,253.40
  4. Step 4: Simplify right side
    4,540.39x = 8,536,167.89
  5. Step 5: Solve for x
    x = 8,536,167.89/4,540.39
  6. Step 6: Final answer
    x = 1,880.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.